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RESEARCH PAPERS

The Stress Response of an Elastic Surface to a High-Velocity, Unlubricated Punch

[+] Author and Article Information
F. P. Gerstle

Department of Mechanical Engineering, Duke Engineering, Durham, N. Car.

G. W. Pearsall

Department of Mechanical Engineering, Duke University, Durham, N. Car.

J. Appl. Mech 41(4), 1036-1040 (Dec 01, 1974) (5 pages) doi:10.1115/1.3423429 History: Received June 01, 1973; Revised November 01, 1973; Online July 12, 2010

Abstract

Medium to high velocity linear sliding contact is modeled as the response of an elastic half space to an unlubricated punch, moving at constant speed. The stresses in the half space are derived explicitly, using the singular integral equation technique pioneered by Muskhelishvili. The solution is shown to satisfy all necessary mathematical and physical conditions, including an accurate prediction of the Rayleigh surface wave velocity. The normal stresses are evaluated and plotted to demonstrate the interplay between friction and inertial effects at various velocities.

Copyright © 1974 by ASME
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